Phoenix MACX MCR-EX-SL-NAM-NAM-isolation amplifier 2866006, used to operate Ex I NAMUR isolation amplifier for Ex I proximity sensors and switches in potentially explosive areas. Passive transistor output (resistance according to EN 60947-5-6), line fault transparency, up to SIL 2 (according to IEC 61508), screw connection
| Product Type | isolation amplifier |
| Product Series | MACX Analog |
| Channels | 1 |
| Model | Ex I Isolation Amplifier with SIL Functional Safety |
| configuration | DIP switch |
| insulation characteristics: GB Standard | |
| Overvoltage Category | II |
| pollution level | 2 |
| Function | |
| configuration | DIP switch |
| electrical isolation | 3 End Isolation |
| galvanic isolation between input and output | is |
| electrically isolated input/output | |
| electrical isolation | 375V (peak according to IEC/EN 60079-11) |
| Electrically isolated input/output/power supply, DIN rail connector | |
| Rated insulation voltage | 300Vrms |
| Test Voltage | 2.5 kV AC (50 Hz, 60 s) |
| insulation | safety isolation conforming to IEC/EN 61010-1 |
| galvanically isolated input/power supply, DIN rail connector | |
| electrical isolation | 375V (peak according to IEC/EN 60079-11) |
| Power | |
| Rated supply voltage | 24V DC |
| Supply Voltage Range | 9.6V DC ... 30V DC (12V DC ... 24V DC (-20 % ... +25 %)) |
| power consumption | < 0.6W |
| power consumption | < 600 mW |
| signal: NAMUR | |
| Input Description | Intrigues |
| Input Number | 1 |
| valid input source | NAMUR proximity switch sensor (IEC/EN 60947-5-6) |
| Floating switch contact | |
| Switch contacts with resistor circuit | |
| switch threshold "0" signal current | < 1.2 mA (disabled) |
| switch threshold "1" signal, current | > 2.1 mA (ON) |
| switching hysteresis | < 0.2 mA |
| Line Fault Detection | < 0.05 mA ... 0.35 mA (line break) |
| < 100 Ω ... 360 Ω (short circuit) | |
| activated/deactivated via DIP switch | |
| No-load voltage | 8V DC ±10% |
| switching: transistor | |
| Output Description | Passive |
| Switching frequency | 5 kHz |
| signal | |
| outputs | 1 |